Home / 56,306.88-84,407.28-19,344.96

Finding the Fourth Proportional to 56,306.88, 84,407.28 and 19,344.96

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Solution

The fourth proportional to 56,306.88, 84,407.28 and 19,344.96 is: 28,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.88 : 84,407.28 = 19,344.96 : x
  2. Step 2: Convert to fraction form
    56,306.88/84,407.28 = 19,344.96/x
  3. Step 3: Cross multiply
    56,306.88x = 84,407.28 × 19,344.96
  4. Step 4: Simplify right side
    56,306.88x = 1,632,855,455.31
  5. Step 5: Solve for x
    x = 1,632,855,455.31/56,306.88
  6. Step 6: Final answer
    x = 28,999.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.